US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

1,450 races

D.N.F. Ultra

December 15, 2018 Race day in about 1 year
USA / South Atlantic / South Carolina / Greenville
Ultramarathon

Paris Mountain Ultra

October 20, 2018 Race day in 11 months
USA / South Atlantic / South Carolina / Greenville
Ultramarathon

Gulf to Gulf 80 Mile Relay

October 20, 2018 Race day in 11 months
USA / South Atlantic / Florida / Naples
Ultramarathon
Relay

Indiana Trail 100

October 13, 2018 Race day in 11 months
USA / East North Central / Indiana / Chain O' Lakes State Park, Albion
Ultramarathon
Charity Trail UTMB Qualifier Western States Qualifier

Indiana Trail 100

October 13, 2018 Race day in 11 months
USA / East North Central / Indiana / Chain O' Lakes State Park, Albion
Ultramarathon
Charity Trail

Elk-King's 25K & 50K

October 13, 2018 Race day in 11 months
USA / Pacific / Oregon / Tillamook State Forest
Ultramarathon
Trail Mountain

Pilot Mountain to Hanging Rock Ultra 50K and 50- Mile Run

October 13, 2018 Race day in 11 months
USA / South Atlantic / North Carolina / Pilot Mountain State Park
Ultramarathon
Hilly Trail

Pilot Mountain to Hanging Rock Ultra 50K and 50- Mile Run

October 13, 2018 Race day in 11 months
USA / South Atlantic / North Carolina / Pilot Mountain State Park
Ultramarathon
Hilly Trail

Hootenanny 100k

October 07, 2018 Race day in 11 months
USA / Mountain Region / Montana / Lolo
Ultramarathon
Trail

Gorgeous Coast Relay

October 06, 2018 Race day in 11 months
USA / Pacific / Oregon / Cannon Beach
Ultramarathon

Gorgeous Coast Relay

October 06, 2018 Race day in 11 months
USA / Pacific / Oregon / Cannon Beach
Ultramarathon

Gorgeous Coast Relay

October 06, 2018 Race day in 11 months
USA / Pacific / Oregon / Cannon Beach
Ultramarathon